Keystones — Lintel
Five GCSE retrieval questions · 1 March 2026 · mathsvault.uk/keystones
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1. Number
Three lengths are 2.63m, 4.23m and 2.85m. What is their total length?
Answer: 9.71m -
2. Algebra
Find the next term: 1, 2, 4, 7, ...
Answer: 11 -
3. Geometry
Opposite = 10cm, adjacent = 18cm. Calculate the angle
Answer: 29.1° -
4. Ratio
Calculate 12.1% of 944
Answer: 114.22 -
5. Statistics
Calculate the mean of: 28, 7, 23, 20, 22, 36, 17
Answer: 21.9